TRB MODEL QUESTIONS FOR CHEMISTRY
51. |
Which one of the following is a weak acid? |
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- A. HCL
- B. H2SO4
- C. HNO3
- D. CH3COOH
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52. |
Copper reacts with H2SO4 liberating |
|
- A. H2
- B. SO2
- C. H2S
- D. O2
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53. |
The catalyst used in the preparation of NH3 by Haber’s process is |
|
- A. Iron
- B. Sunlight
- C. Manganese dioxide
- D. Platinum
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54. |
The catalyst used in conversion of white phosphorous to red phosphorous is |
|
- A. Iodine
- B. Sulphur
- C. Carbon
- D. Diammonium Phosphate
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55. |
----- acid is called king of chemicals. |
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- A. Nitric
- B. Acetic
- C. HCL
- D. Sulphur
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